Subtract 15/81 from 14/30
14/30 - 15/81 is 38/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
14/30 = 14 × 27/30 × 27 = 378/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
15/81 = 15 × 10/81 × 10 = 150/810 - Subtract the two like fractions:
378/810 - 150/810 = 378 - 150/810 = 228/810 - After reducing the fraction, the answer is 38/135
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